sam's parents____dancing and singing in the partyA both like B like both C both likes D all like 再说一下为什么这么选

sam's parents____dancing and singing in the partyA both like B like both C both likes D all like 再说一下为什么这么选
sam's parents____dancing and singing in the party
A both like B like both C both likes D all like 再说一下为什么这么选

sam's parents____dancing and singing in the partyA both like B like both C both likes D all like 再说一下为什么这么选
A both like
父母是2个人所以用both,动词like也要用复数形式.